CN104053468B - Needle assemblies attachment and apparatus for removing - Google Patents
Needle assemblies attachment and apparatus for removing Download PDFInfo
- Publication number
- CN104053468B CN104053468B CN201280067444.6A CN201280067444A CN104053468B CN 104053468 B CN104053468 B CN 104053468B CN 201280067444 A CN201280067444 A CN 201280067444A CN 104053468 B CN104053468 B CN 104053468B
- Authority
- CN
- China
- Prior art keywords
- needle assemblies
- balladeur train
- attachment
- housing
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
- A61M5/344—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub using additional parts, e.g. clamping rings or collets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/3276—Means imparting rotational movement to the needle or needle hub in order to assist in its disconnection from syringe nozzle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
- A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M2005/3208—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles by application of rotational movement to the needle hub, e.g. by use of electrically driven toothed wheels
Abstract
Describe a kind of needle assemblies attachment and apparatus for removing (1), comprising: housing (4), there is pedestal (4.1) and longitudinal axis (L)；Balladeur train (11), it is possible to move axially to the second place from primary importance together with housing (4)；Bracket (13), is rotationally coupled to balladeur train (11) and is suitable to keep needle assemblies (6)；With transmission device (7,8), being rotationally coupled to balladeur train (11) being suitable to makes bracket (13) move to the second place along with balladeur train (11) from primary importance and rotate along the first direction of rotation and move to primary importance along with balladeur train (11) from the second place and rotate along the second direction of rotation.
Description
Technical field
The present invention relates to a kind of needle assemblies attachment and apparatus for removing, delivering for needle assemblies being attached to medicine
Device and needle assemblies is removed from drug delivery device.
Background technology
It is that patient and health care professional are had on mind & body by injection administration medicine
Many risks and the process of challenge.The maloperation of drug delivery device may cause pricking wound.Needing
In the case of wanting patient or health care professional hand to be attached/remove needle assemblies, there is the wind of pricking wound
Danger.
Additionally, needle assemblies is attached to drug delivery device with hand may cause tension, this may cause moving
Except injury during needle assemblies and/or the structural failure to drug delivery device.Attempt removing the needle assemblies of tension
Other parts of drug delivery device may be adversely affected (such as, in reusable device,
Cartridge-holder may relax).
Additionally, the mismate of screw thread may be caused with hand attachment needle assemblies, thus obtain crooked orientation
Pin.This may cause defective barrier film or inaccurate injection.
Accordingly, there exist and needle assemblies is attached to by one safely drug delivery device and by needle assemblies from medicine
The needs of the device that thing delivery apparatus removes.
Summary of the invention
It is an object of the invention to provide a kind of for needle assemblies being attached to drug delivery device and by pin
The needle assemblies that assembly removes from drug delivery device is attached and apparatus for removing.
In the exemplary embodiment, it is attached according to the needle assemblies of the present invention and apparatus for removing includes: housing,
There is pedestal and longitudinal axis；Balladeur train, it is possible to move axially to second from primary importance together with housing
Put；Bracket, is rotationally coupled to balladeur train and is suitable to keep needle assemblies；And transmission device, rotatably
It is connected to balladeur train and is suitable to make bracket move to the second place along with balladeur train from primary importance and revolve along first
Turn direction rotate and move to primary importance along with balladeur train from the second place and rotate along the second direction of rotation.
In the exemplary embodiment, needle assemblies attachment and apparatus for removing also include: clamper, are connected to shell
Body or balladeur train or bracket also are suitable to make drug delivery device be directed at needle assemblies.
In the exemplary embodiment, pedestal has the cross section bigger than housing.
In the exemplary embodiment, needle assemblies attachment and apparatus for removing also include: cap fixture, are connected to torr
Frame is also suitable to the outer cap with needle assemblies and engages.Cap fixture includes being suitable to the elasticity that the part with outer cap engages
Clamp arm.Needle assemblies attachment and apparatus for removing also include: push rod, are slidingly coupled to balladeur train；And folder
Tight ring, is connected to push rod being suitable to and clamp arm applies compression stress to keep a described part with outer cap
Engage.When push rod engages with pedestal, clamping ring is pressed against on clamp arm by push rod.
In the exemplary embodiment, transmission device includes: tooth bar, arranges in the housing；With little gear,
There is the first gear face that the gear be suitable to and be connected to bracket engages and be suitable to engaged with tooth bar
Two gear faces.Tooth bar is arranged with an angle relative to the longitudinal axis of housing, and the second gear face
There is variable diameter.Transmission device also includes: torsion spring, applies rotational biasing force to little gear, and,
Balladeur train causes little gear to rotate from primary importance to the movement of the second place and makes torsion spring energize.Balladeur train around
Longitudinal axis rotates, and the rotation of little gear is orthogonal with longitudinal axis.
In the exemplary embodiment, needle assemblies attachment and apparatus for removing also include: compression spring, be suitable to
The spring stop being formed on pedestal engages.When balladeur train is positioned at the second place, this compression spring is composed
Energy.
In the exemplary embodiment, balladeur train includes the resilient key being suitable to engage with the clamp groove in housing.
Along with balladeur train moves to the second place from primary importance, pin enters the Part I of clamp groove and towards shell
The longitudinal axis deflection of body.When pin engages with the Part II of clamp groove, balladeur train is locked in second
Position.When pin joint is combined in the Part II of clamp groove, on balladeur train towards pedestal point to axial
Power makes pin and Part II depart from and enter the Part III of clamp groove, and this allows balladeur train to be back to first
Position.When pin enters the Part III of clamp groove, the power in compression spring advances towards primary importance
Balladeur train.
In the exemplary embodiment, needle assemblies attachment and apparatus for removing also include being arranged on cap fixture and bracket
Between clutch.This clutch prevents cap fixture to be rotated up pre-relative to bracket along the first direction of rotation
Fixed moment of torsion is applied on outer cap.This clutch prevents cap fixture from revolving along the second direction of rotation relative to bracket
Turn.
In the exemplary embodiment, balladeur train includes being suitable to and the guiding of the channel engagement being formed in pedestal
Wheel.
In the exemplary embodiment, needle assemblies attachment and apparatus for removing may be used for such as that injection pen is (such as,
For reusable or disposable insulin or heparin pen) delivery apparatus and all categories
Needle assemblies, such as a pin.
Needle assemblies attachment and apparatus for removing allow needle assemblies be easily and safely installed to delivery apparatus and from
Delivery apparatus unloads, and prevents user by pricking wound simultaneously.
Needle assemblies attachment and apparatus for removing allow to apply suitable moment of torsion so that needle assemblies and delivery apparatus connect
Close.This can be avoided undesirably pulling down of the cartridge-holder main body from delivery apparatus, if release pin group
The moment of torsion of part is more than the release moment of torsion of cartridge-holder, it is possible to above-mentioned undesirably pulling down occurs.
The risk minimization of mistake when making installation needle assemblies.This causes pin to relax, excessive torque is drawn
The risk reduction that the thread damage risen or screw thread intersect.Also eliminate the risk of pin tilted alignment.
Needle assemblies attachment and apparatus for removing allow one-handed performance.
Needle assemblies attachment and apparatus for removing may be adapted under the different occasions needing frequently to be attached and remove
The installation and removal annex of screw-type.
In the exemplary embodiment, it is attached according to the needle assemblies of the present invention and apparatus for removing also includes being arranged on
Needle assemblies engaging mechanism on clamper.The outer cap that this needle assemblies engaging mechanism is suitable to needle assemblies has selection
Ground engages.Needle assemblies engaging mechanism includes: clip, is suitable in bonding station and the use for engaging enclosing cover
Laterally slide relative to clamper between the disengaging configuration departing from enclosing cover；Control bar, be suitable to make clip
Move between bonding station and disengaging configuration；And spring, it is biased power, with by clip to controlling bar
It is maintained at bonding station.Clip includes the edge of part circular, and this edge is suitable in bonding station and pin group
The enclosing cover of part engages.Controlling bar and be operably linked to button, this button is suitable to control lever.
The further scope of application of the present invention will become obvious from detailed description given below.But,
Should be appreciated that these describe in detail and concrete example, although represent the preferred embodiments of the present invention, but
It is only used as example to be given, because from this detailed description, the various changes in the spirit and scope of the present invention
Change and change will become apparent to those skilled in the art.
Accompanying drawing explanation
From detailed description given below be only used as example and be given, do not limit the invention
Accompanying drawing, the present invention will become more fully to be understood, in accompanying drawing:
Figure 1A is that the exemplary embodiment of needle assemblies attachment and apparatus for removing longitudinal direction in the first cross section is cut
Face.
Figure 1B is that the exemplary embodiment of needle assemblies attachment and apparatus for removing longitudinal direction in the second cross section is cut
Face.
Fig. 2 is that the exemplary embodiment of needle assemblies attachment and apparatus for removing longitudinal direction in the 3rd cross section is cut
Face.
Fig. 3 is that the exemplary embodiment of needle assemblies attachment and apparatus for removing longitudinal direction in the second cross section is cut
Face, wherein balladeur train is in the position that is depressed, and
Fig. 4 is for needle assemblies attachment and the exemplary embodiment of the needle assemblies engaging mechanism of apparatus for removing
Perspective view.
In whole accompanying drawings, corresponding parts mark by identical reference symbol.
Detailed description of the invention
Figure 1A is that the needle assemblies of the exemplary embodiment according to the present invention is attached with apparatus for removing 1 first
Longitudinal cross-section in cross section.Device 1 is suitable to receive drug delivery device and be attached to needle assemblies 6 deliver
Device and needle assemblies 6 is removed from delivery apparatus.
In the exemplary embodiment, delivery apparatus (not shown) can be including, but not limited to a syringe,
Any drug delivery device of automatic injector, safety syringe-drum etc..Delivery apparatus can include being suitable to keep holding
Receive the cartridge-holder (not shown) of cartridge case of medicine.As will be appreciated by one skilled in the art, dress is delivered
Put the device (such as, after cartridge case is empty, delivery apparatus is abandoned) that can be to be intended for single use maybe can weigh
The multiple device (such as, cartridge case or can be changed sky when if desired) used.
In the exemplary embodiment, needle assemblies includes the needle stand 6.2 being suitable to engage with delivery apparatus and couples
The pin 6.3 with distal tip 6.4 and proximal tip 6.5 to needle stand 6.2.Proximal tip 6.5 is arranged
Become the barrier film for piercing through the cartridge case in delivery apparatus when needle assemblies 6 is installed to delivery apparatus, distal tip
End 6.4 is used for piercing through injection site.When needle assemblies 6 is connected to delivery apparatus, medicine can pass through pin
Fluid passage in 6.3 is discharged.
In the exemplary embodiment, needle stand 6.2 include for the threaded engagement being formed on delivery apparatus
Internal thread 6.6.Interior needle cap 6.7 can be arranged to cover on pin 6.3.Outer cap 6.1 can be arranged to lid
In needle stand 6.2, pin 6.3 and interior needle cap 6.7.Outer cap 6.1 can include corresponding with on needle stand 6.2 special
Levy the feature (such as, groove) that (such as, ridge) coordinates so that outside when outer cap 6.1 and needle stand 6.2 engage
Cap 6.1 will not rotate relative to needle stand 6.2.
In the exemplary embodiment, needle assemblies attachment and apparatus for removing 1 are included in lower end and have pedestal 4.1
Thin-long casing 4.Pedestal 4.1 can be plane, for use as platform so that device 1 is in validity period
Between can be placed on surface.In the exemplary embodiment, pedestal 4.1 can have the horizontal stroke bigger than housing 4
Cross section, thus stability when increasing surface area and be placed on surface.Additionally, can below pedestal 4.1
Including being suitable to the coating or the mat that engage with mantle friction.The upper end of housing 4 have be suitable to receive needle assemblies
6 and the opening of delivery apparatus.
In the exemplary embodiment, device 1 includes the clamper 2 being arranged on balladeur train 11, balladeur train 11
It is slidably disposed in housing 4 along longitudinal axes L.Clamper 2 can include having certain profile
Multiple axial arm of interior surface, described interior surface is suitable to prop up when delivery apparatus is inserted in device 1
Support alignment delivery apparatus.Clamper 2 may insure that delivery apparatus suitably engage with needle assemblies 6/depart from (example
As, screw thread is correctly aligned).
In the exemplary embodiment, device 1 includes the bracket 13 being rotationally coupled to balladeur train 11.Cap
Fixture 14 can be rotationally coupled to bracket 13 via clutch 15 (key-lock is to balladeur train 11).Cap fixture
The 14 outer caps 6.1 be suitable to needle assemblies 6 engage.Elastic clamp arm 3 can be arranged on cap fixture 14
Lower end.Clamping ring 12 is arranged in balladeur train 11 and is connected in parallel to push rod 5, and push rod 5 is slidably coupled
To balladeur train 11.Clamping ring 12 is suitable to engage with clamp arm 3 to promote clamp arm 3 to rub with outer cap 6.1
Engage.Clamp arm 3 can include conical surface 3.1, and it is right that this conical surface 3.1 is suitable to clamping ring 12
The conical surface answered engages.Clamp arm 3 can deflect and be frictionally engaged with outer cap 6.1, as following enter
One step describes.
In the exemplary embodiment, clutch 15 includes ratchet face, and this ratchet face is suitable to and cap fixture 14
On corresponding ratchet face engage.As further explained below, it is arranged on delivery dress when needle assemblies 6
When putting, clutch 15 limits the attachment moment of torsion being applied to needle assemblies 6.
In the exemplary embodiment, little gear 8 is rotationally coupled to balladeur train 11, and can include to little tooth
Wheel 8 is biased the torsion spring 9 of power.Little gear includes being suitable to coordinating with the gear 11.2 on bracket 13
First gear face 8.1 and be suitable to the second gear face coordinated with the tooth bar 7 being formed in housing 4
8.2.Therefore, the rotation of little gear 8 causes the rotation of bracket 13.In the exemplary embodiment, tooth bar
7 and second gear face 8.2 formed have gear rack pinion arrange.Tooth bar 7 can be relative
Arrange with an angle in longitudinal axes L so that the distance between tooth bar 7 and longitudinal axes L is along housing
At least some of increase of the length of 4, and greatest around at pedestal 4.1.In order to keep and tooth bar 7
Engaging, the second gear face 8.2 has variable-diameter.Therefore, when balladeur train 11 in the upper end of housing 4 or
Time near upper end, the translation of balladeur train 11 causes the low moment of torsion in little gear 8 and high rotating speed, and housing 4
The translation of lower end cause moment of torsion to increase and lower rotating speed.Torsion spring 9 can upper towards housing 4
End biases little gear.
In the exemplary embodiment, balladeur train 11 includes being suitable to and the spring stop being arranged on pedestal 4.1
4.2 compression springs 10 engaged.Along with balladeur train 11 moves towards pedestal 4.1, compression spring 10 is compressed.
In the exemplary embodiment, balladeur train 11 includes being suitable to the clamp groove formed with neighbouring pedestal 4.1
4.3 pins 11.3 engaged.As further explained below, clamp groove 4.3 can include for pin 11.3
Various positions so that balladeur train 11 is held in place by relative to housing 4.
As shown in Figure 1B, balladeur train 11 can include one or more directive wheel 11.1, and these are one or more leads
Be suitable to and the one or more corresponding channel engagement in housing 4 to wheel 11.1, be used for making balladeur train 11 phase
Axially-movable for housing 4 easily and is used for keeping the balladeur train 11 Angle Position relative to housing 4.
Figure 1A, 1B and 2 illustrate and are in the device 1 using front state, and wherein balladeur train 11 is relative to housing
4 are in the first axial location.In the exemplary embodiment, needle assemblies 6 can be placed in the device 1,
The outer cap 6.1 making needle assemblies 6 engages with cap fixture 14.Along with needle assemblies 6 is pushed into cap fixture 14
In, cap arm 3 can be frictionally engaged with outer cap 6.1 and/or clamping ring 12 is possible to prevent cap arm 3 to deflect also
Guarantee to frictionally hold outside on cap 6.1.
In order to be installed on delivery apparatus by needle stand 6.2, make the pinhole aperture 2.1 of delivery apparatus and clamper 2
Alignment, clamper 2 makes delivery apparatus be directed at the needle stand 6.2 in needle assemblies.Along with delivery apparatus is pressed
Entering in device 1, balladeur train 11 translates towards pedestal 4.1.Because the second gear face 8.2 connects with tooth bar 7
Merge and because the first gear face 8.1 engages with gear 11.2, so bracket 13 is along with balladeur train 11 axle
Rotate along the first direction of rotation to translation.Along with bracket 13 rotates, cap fixture 14 (and outer cap 6.1
With needle stand 6.2) rotate along this first direction of rotation so that the screw thread 6.6 on needle stand 6.2 and delivery apparatus
On be threadedly engaged.Because of the diameter of the increase of the second gear face 8.2, it is applied to the moment of torsion of needle stand 6.2
Translate towards pedestal 4.1 along with balladeur train 11 and increase.Along with balladeur train 11 translates and little towards pedestal 4.1
Gear 8 rotates, and torsion spring 9 is energized.
When balladeur train 11 is closest to pedestal 4.1, pin 11.3 engages with clamp groove 4.3.Clamp groove
4.3 can have the Part I being suitable to receive pin 11.3 and make pin 11.3 deflect towards longitudinal axes L.
Compression spring 10 engages and is pressed against on spring stop 4.2.Push rod 5 adjoins pedestal 4.1, and sliding
The translation further of frame 11 causes clamping ring 12 to engage with clamp arm 3 outer cap 6.1 is fixed on cap folder
In tool 14.
After needle stand 6.2 has been appropriately secured to delivery apparatus, bracket 13 is relative to needle stand 6.2
Any further rotating may result in clutch 15 and depart from cap fixture 14.Therefore, clutch 15 prevents
The tension of needle stand 6.2.When clutch 15 departs from cap fixture 14, it is provided that audible instead
Feedback (such as, the click of sliding ratchet face) is to indicate needle stand 6.2 to be already affixed to delivery apparatus.
As it is shown on figure 3, when delivery apparatus (being attached with needle stand 6.2) removes from device 1, at balladeur train 11
In the second axial location.Outer cap 6.1 can be kept in the device 1 by clamp arm 3 and/or clamping ring 12,
Balladeur train 11 can be pushed away pedestal 4.1 by the power in torsion spring 9 and/or the power in compression spring 10.Because of pin 11.3
On elastic force, pin 11.3 moves to second (locking) part in clamp groove 4.3.At pin 11.3
Time in Part II, prevent balladeur train 11 moving axially further away from pedestal 4.1.
After injection, it is possible to use device 1 removes used needle stand 6.2.Delivery apparatus is permissible
It is re-inserted in device 1 by being directed at clamper 2.When needle stand 6.2 engages with outer cap 6.1,
First tactile feedback (such as, the resistance of increase) can be provided.When delivery apparatus advances to device 1
In and time needle stand 6.2 engages with outer cap 6.1, balladeur train 11 can advance a small distance towards pedestal 4.1,
And pin 11.3 can depart from the Part II in clamp groove 4.3 and flexibly deflect into Part III
In, this Part III can be do not hinder pin 11.3 move axially and allow balladeur train 11 away from pedestal 4.1
The passage of axial translation.Power in torsion spring 9 makes little gear 8 rotate to climb up tooth bar 7, and compresses bullet
Balladeur train 11 is pushed away pedestal 4.1 by the power in spring 10.The rotation of little gear 8 causes bracket 13 along the second rotation
Turning direction to rotate, this makes needle stand 6.2 depart from delivery apparatus.
In the exemplary embodiment, compression spring 10 is mainly to act as in the Part I in dismounting cycle
, such as, bracket 13 and cap fixture 14 produce high torque and high rotating speed so that needle stand 6.2
Screw thread 6.6 unclamps on the screw thread from delivery apparatus.One is travelled relative to housing 4 at balladeur train 11
Afterwards, push rod 5 no longer adjoins pedestal 4.1 to distance, thus compression spring 10 takes off with spring stop 4.2
From.Remaining revolving force on balladeur train 11 is provided by torsion spring 9.At needle stand 6.2 from delivery apparatus pine
After opening, the moment of torsion of torsion spring 9 be enough to make delivery apparatus be back to initial upper end position and make needle stand 6.2
Screw off from delivery apparatus.
After needle stand 6.2 has been detached from delivery apparatus and balladeur train 11 is back to its initial position, needle assemblies
6 can be booked and go divided by processing from device 1.
In the exemplary embodiment, device 1 can include the lock for locking balladeur train 11 relative to housing 4
Determine mechanism's (not shown).Such as, this locking mechanism can be that relative to housing 4, balladeur train 11 is locked in one
Position (such as, the second place) control bar or be arranged on the lid above pinhole aperture 2.1.
In the exemplary embodiment, as shown in Figure 4, device 1 can include needle assemblies engaging mechanism 20, should
Needle assemblies engaging mechanism 20 is suitable to engage with needle assemblies 6 and make selectively during the use of device 1
Needle assemblies 6 departs to remove from device 1.This needle assemblies engaging mechanism 20 can be formed at clamper 2
And/or on balladeur train 11.In the exemplary embodiment, needle assemblies engaging mechanism 20 includes clip 21, folder
Son 21 laterally can slide relative to clamper 2 between bonding station and disengaging configuration.Clip 21
Activated by the control bar 22 biased by spring 23 (such as, leaf spring).Clip 21 can have part circular
Edge 21.1, this edge 21.1 can have that to be suitable to the inclination that the enclosing cover 6.1 with needle assemblies 6 engages near
End surfaces.So, when needle assemblies 6 is placed in the device 1, edge 21.1 adjoins enclosing cover 6.1, folder
Son 21 is from bonding station transverse shift to disengaging configuration.The displacement of clip 21 is against the bias of spring 23
Power push lever 22, until enclosing cover 6.1 walks around edge 21.1, now, edge 21.1 is back to engage
Position, thus the proximal end face of adjacent outer cap 6.1.Then enclosing cover 6.1 is maintained at bracket 13 by clip 21
In.
When used needle assemblies 6 is positioned in enclosing cover 6.1 and will be removed from device 1, it is connected to control
The button 22.1 of bar 22 processed can be pressed so that clip 21 departs from outer cap 6.1.Button 22.1 is permissible
It is integrally formed with controlling bar 22, or can be adapted for and control the separate part that bar 22 engages.Pressing
Button 22.1 is against the biasing force control lever 22 of spring 23 and makes clip 21 horizontal from bonding station
It is displaced to disengaging configuration.Then the used needle assemblies 6 in enclosing cover 6.1 can be removed with hand, or
Can be with inverted device 1 and make the used needle assemblies 6 in enclosing cover 6.1 skid off from device 1.
It will be understood by those skilled in the art that under conditions of without departing from the complete scope and spirit of the present invention,
The various parts of the embodiments described herein and equipment, method and/or system can be changed
(add and/or remove), and the complete scope and spirit of the present invention include that these change and any and whole
Equivalent.
Claims (17)
1. a needle assemblies attachment and apparatus for removing (1), including:
Housing (4), has pedestal (4.1) and longitudinal axis (L)；
Balladeur train (11), it is possible to move axially to the second place from primary importance together with housing (4)；
Bracket (13), is rotationally coupled to balladeur train (11) and is suitable to keep needle assemblies (6)；With
Transmission device (7,8), it is rotationally coupled to balladeur train (11), and is suitable to make bracket (13) to move to the second place along with balladeur train (11) from primary importance and rotate along the first direction of rotation and move to primary importance along with balladeur train (11) from the second place and rotate along the second direction of rotation；With
Compression spring (10), is suitable to engage with the spring stop (4.2) being formed on pedestal (4.1), and when balladeur train (11) is positioned at the second place, this compression spring (10) is energized,
nullWherein，Balladeur train (11) includes the resilient key (11.3) being suitable to engage with the clamp groove (4.3) in housing (4)，Wherein，Along with balladeur train (11) moves to the second place from primary importance，Pin (11.3) enter clamp groove (4.3) Part I and towards housing (4) longitudinal axis (L) deflect，And wherein，When the Part II of pin (11.3) with clamp groove (4.3) engages，Balladeur train (11) is locked in the second place，And wherein，When pin (11.3) is bonded in the Part II of clamp groove (4.3)，The axial force pointed to towards pedestal (4.1) on balladeur train (11) makes pin (11.3) and Part II depart from and enter the Part III of clamp groove (4.3)，This Part III allows balladeur train (11) to be back to primary importance.
Needle assemblies the most according to claim 1 attachment and apparatus for removing (1), also include:
Clamper (2), is connected to housing (4) or balladeur train (11) or bracket (13) and is suitable to make drug delivery device be directed at needle assemblies (6).
3. being attached and apparatus for removing (1) according to the needle assemblies of claim 1 or 2, wherein, pedestal (4.1) has the cross section bigger than housing (4).
4. it is attached and apparatus for removing (1) according to the needle assemblies of claim 1 or 2, also includes:
Cap fixture (14), is connected to bracket (13) and is suitable to the outer cap (6.1) with needle assemblies (6) and engages.
Needle assemblies the most according to claim 4 attachment and apparatus for removing (1), wherein, cap fixture (14) includes being suitable to the elastic clamping arm (3) that the part with outer cap (6.1) engages.
Needle assemblies the most according to claim 5 attachment and apparatus for removing (1), also include:
Push rod (5), is slidingly coupled to balladeur train (11)；With
Clamping ring (12), is connected to push rod (5) and is suitable to apply clamp arm (3) compression stress joint with holding with a described part for outer cap (6.1),
Wherein, when push rod (5) engages with pedestal (4.1), clamping ring (12) is pressed against on clamp arm (3) by push rod (5).
7. being attached and apparatus for removing (1) according to the needle assemblies of claim 1 or 2, wherein, transmission device (7,8) including:
Tooth bar (7), is arranged in housing (4)；With
Little gear (8), has the first gear face (8.1) that the gear (11.2) being suitable to being connected to bracket (13) engages and is suitable to the second gear face (8.2) engaged with tooth bar (7).
Needle assemblies the most according to claim 7 attachment and apparatus for removing (1), wherein, tooth bar (7) is arranged with an angle relative to the longitudinal axis (L) of housing (4), and the second gear face (8.2) has variable diameter.
Needle assemblies the most according to claim 8 attachment and apparatus for removing (1), wherein, transmission device (7,8) also includes:
Torsion spring (9), applies rotational biasing force to little gear (8), and wherein, balladeur train (11) causes little gear (8) to rotate from primary importance to the movement of the second place and makes torsion spring (9) energize.
Needle assemblies the most according to claim 9 attachment and apparatus for removing (1), wherein, balladeur train (11) rotates around longitudinal axis (L), and the rotation (T) of little gear (8) is orthogonal with longitudinal axis (L).
11. needle assemblies according to claim 1 attachment and apparatus for removings (1), wherein, when pin (11.3) enters the Part III of clamp groove (4.3), the power in compression spring (10) advances balladeur train (11) towards primary importance.
12. needle assemblies according to claim 5 attachment and apparatus for removings (1), also include:
Clutch (15), it is arranged between cap fixture (14) and bracket (13), this clutch (15) prevents from cap fixture (14) to be rotated up predetermined moment of torsion relative to bracket (13) along the first direction of rotation being applied on outer cap (6.1), and prevents cap fixture (14) from rotating along the second direction of rotation relative to bracket (13).
13. are attached and apparatus for removing (1) according to the needle assemblies of claim 1 or 2, and wherein, balladeur train (11) includes being suitable to and the directive wheel (11.1) of the channel engagement being formed in pedestal (4).
14. needle assemblies according to claim 2 attachment and apparatus for removings (1), also include:
Needle assemblies engaging mechanism (20), is arranged on clamper (2), and the outer cap (6.1) that this needle assemblies engaging mechanism (20) is suitable to needle assemblies (6) is selectively engaged.
15. needle assemblies according to claim 14 attachment and apparatus for removings (1), wherein, needle assemblies engaging mechanism (20) including:
Clip (21), be suitable to the bonding station engaged with enclosing cover (6.1) and and the disengaging configuration that departs from of enclosing cover (6.1) between laterally slide relative to clamper (2)；
Control bar (22), be suitable to make clip (21) move between bonding station and disengaging configuration；With
Spring (23), is biased power, so that clip (21) is maintained at bonding station to controlling bar (22).
16. needle assemblies according to claim 15 attachment and apparatus for removings (1), wherein, clip (21) includes the edge (21.1) of part circular, and this edge (21.1) are suitable to engage with the enclosing cover (6.1) of needle assemblies (6) at bonding station.
17. needle assemblies according to claim 15 attachment and apparatus for removings (1), wherein, control bar (22) and are operably linked to button (22.1), and this button (22.1) is suitable to control lever (22).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11190581.6 | 2011-11-24 | ||
| EP11190581.6A EP2596825A1 (en) | 2011-11-24 | 2011-11-24 | Needle assembly attachment and removal device |
| PCT/EP2012/073465 WO2013076244A1 (en) | 2011-11-24 | 2012-11-23 | Needle assembly attachment and removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104053468A CN104053468A (en) | 2014-09-17 |
| CN104053468B true CN104053468B (en) | 2016-08-24 |
Family
ID=47278282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280067444.6A Expired - Fee Related CN104053468B (en) | 2011-11-24 | 2012-11-23 | Needle assemblies attachment and apparatus for removing |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US9694143B2 (en) |
| EP (2) | EP2596825A1 (en) |
| JP (1) | JP6215218B2 (en) |
| KR (1) | KR20140116071A (en) |
| CN (1) | CN104053468B (en) |
| AU (1) | AU2012342447A1 (en) |
| BR (1) | BR112014012424A2 (en) |
| CA (1) | CA2856761A1 (en) |
| DK (1) | DK2782627T3 (en) |
| ES (1) | ES2585081T3 (en) |
| HK (1) | HK1196790A1 (en) |
| HU (1) | HUE029740T2 (en) |
| IL (1) | IL232695A0 (en) |
| MX (1) | MX2014006283A (en) |
| PL (1) | PL2782627T3 (en) |
| RU (1) | RU2014125419A (en) |
| WO (1) | WO2013076244A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD748246S1 (en) * | 2013-08-06 | 2016-01-26 | Michael Perthu | Auto-injector |
| JP1528695S (en) * | 2013-09-04 | 2015-07-13 | ||
| WO2015148257A1 (en) | 2014-03-25 | 2015-10-01 | Inventive Medical Devices, Llc | Apparatus and method of automatically removing a needle from a hub |
| AU2016241226B2 (en) * | 2015-03-31 | 2019-11-21 | Southern Innovationz Limited | Apparatus for unsheathing and resheathing a needle device |
| KR101589006B1 (en) * | 2015-10-17 | 2016-02-12 | 주식회사 메덱셀 | Safety protection system for pen needles |
| EP3731908A4 (en) * | 2017-12-28 | 2021-09-15 | Becton, Dickinson and Company | Pen needle assembly apparatus |
| CN108543168B (en) * | 2018-05-15 | 2023-10-17 | 赵齐美 | Portable insulin syringe needle electric dismounting device |
| CN108992744B (en) * | 2018-06-29 | 2020-11-03 | 苏州沙力医疗器械有限公司 | Rotary locking type safe insulin injection needle |
| CN110732062B (en) * | 2019-08-02 | 2021-07-20 | 宁波市北仑区人民医院 | Needle device is unloaded to formula of pushing down |
| DE102019121790A1 (en) * | 2019-08-13 | 2021-02-18 | Bernhard Förster Gmbh | Orthodontic expansion screw |
| CN112957556A (en) * | 2021-02-19 | 2021-06-15 | 杜绍芹 | Transfusion port puncture-wound-preventing fixer with protection positioning device |
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- 2011-11-24 EP EP11190581.6A patent/EP2596825A1/en not_active Ceased
-
2012
- 2012-11-23 JP JP2014542849A patent/JP6215218B2/en not_active Expired - Fee Related
- 2012-11-23 KR KR1020147016852A patent/KR20140116071A/en not_active Application Discontinuation
- 2012-11-23 MX MX2014006283A patent/MX2014006283A/en unknown
- 2012-11-23 EP EP12794694.5A patent/EP2782627B1/en not_active Not-in-force
- 2012-11-23 WO PCT/EP2012/073465 patent/WO2013076244A1/en active Application Filing
- 2012-11-23 AU AU2012342447A patent/AU2012342447A1/en not_active Abandoned
- 2012-11-23 BR BR112014012424A patent/BR112014012424A2/en not_active IP Right Cessation
- 2012-11-23 CA CA2856761A patent/CA2856761A1/en not_active Abandoned
- 2012-11-23 DK DK12794694.5T patent/DK2782627T3/en active
- 2012-11-23 RU RU2014125419/14A patent/RU2014125419A/en not_active Application Discontinuation
- 2012-11-23 CN CN201280067444.6A patent/CN104053468B/en not_active Expired - Fee Related
- 2012-11-23 ES ES12794694.5T patent/ES2585081T3/en active Active
- 2012-11-23 US US14/360,276 patent/US9694143B2/en not_active Expired - Fee Related
- 2012-11-23 PL PL12794694.5T patent/PL2782627T3/en unknown
- 2012-11-23 HU HUE12794694A patent/HUE029740T2/en unknown
-
2014
- 2014-05-19 IL IL232695A patent/IL232695A0/en unknown
- 2014-10-15 HK HK14110304.4A patent/HK1196790A1/en not_active IP Right Cessation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5312346A (en) * | 1993-02-16 | 1994-05-17 | Han Medical Designs, Inc. | Needle removing device |
| US5947950A (en) * | 1998-02-19 | 1999-09-07 | Med-Safe Systems, Inc. | Gear driven needle removal device |
| CN102089023A (en) * | 2008-05-20 | 2011-06-08 | 欧文蒙福德有限公司 | Injection device having a magnetic completed injection indicator and a needle sheath removing means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104053468A (en) | 2014-09-17 |
| IL232695A0 (en) | 2014-07-31 |
| AU2012342447A1 (en) | 2014-06-19 |
| JP2015501689A (en) | 2015-01-19 |
| RU2014125419A (en) | 2015-12-27 |
| JP6215218B2 (en) | 2017-10-18 |
| KR20140116071A (en) | 2014-10-01 |
| BR112014012424A2 (en) | 2017-06-06 |
| EP2782627B1 (en) | 2016-04-27 |
| DK2782627T3 (en) | 2016-08-15 |
| HUE029740T2 (en) | 2017-04-28 |
| EP2596825A1 (en) | 2013-05-29 |
| HK1196790A1 (en) | 2014-12-24 |
| MX2014006283A (en) | 2014-11-10 |
| US20140276443A1 (en) | 2014-09-18 |
| EP2782627A1 (en) | 2014-10-01 |
| ES2585081T3 (en) | 2016-10-03 |
| PL2782627T3 (en) | 2016-11-30 |
| WO2013076244A1 (en) | 2013-05-30 |
| CA2856761A1 (en) | 2013-05-30 |
| US9694143B2 (en) | 2017-07-04 |
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